Perhaps you should try some spelling variations:
chiet tach » chieu sach
trinh xuat » trinh luat, trinh xuan, trich xuat
trinh quan » tinh quang, trinh luat, trinh han
duong dan » duong dang, huong dan, duong van
ho chiet » ho chieu, ho thiet, hoc thiet
dong dan » dong danh, dong san, cong dan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((trinh xuat) OR (trinh quan)) cong ((dong dan) OR (duong dan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((trinh xuat) or (trinh quan)) cong ((dong dan) OR (duong dan)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((trinh xuat) or (trinh quan)) cong ((dong dan) OR (duong dan)) toan cau*.